[improvement] replace icons (#2304)

packages/collapse/demo/index.vue

@@ -27,13 +27,13 @@
     <demo-block :title="$t('titleSlot')">
       <van-collapse v-model="active3">
         <van-collapse-item>
-          <div slot="title">{{ $t('title1') }}<van-icon name="question" /></div>
+          <div slot="title">{{ $t('title1') }}<van-icon name="question-o" /></div>
           {{ $t('content1') }}
         </van-collapse-item>
         <van-collapse-item
           :title="$t('title2')"
           :value="$t('content')"
-          icon="shop"
+          icon="shop-o"
         >
           {{ $t('content2') }}
         </van-collapse-item>
@@ -81,7 +81,7 @@ export default {
 @import '../../style/var';
 
 .demo-collapse {
-  .van-icon-question {
+  .van-icon-question-o {
     color: @blue;
     vertical-align: -3px;
     margin-left: 5px;

packages/collapse/en-US.md

@@ -56,10 +56,14 @@ export default {
 ```html
 <van-collapse v-model="activeNames">
   <van-collapse-item name="1">
-    <div slot="title">Title1<van-icon name="question" /></div>
+    <div slot="title">Title1<van-icon name="question-o" /></div>
     Content
   </van-collapse-item>
-  <van-collapse-item title="Title2" name="2">
+  <van-collapse-item
+    title="Title2"
+    name="2"
+    icon="shop-o"
+  >
     Content
   </van-collapse-item>
 </van-collapse>

packages/collapse/test/__snapshots__/demo.spec.js.snap

@@ -92,7 +92,7 @@ exports[`renders demo correctly 1`] = `
         <div class="van-cell van-cell--clickable van-collapse-item__title">
           <!---->
           <div class="van-cell__title">
-            <div>有赞微商城<i class="van-icon van-icon-question" style="color:undefined;font-size:undefined;">
+            <div>有赞微商城<i class="van-icon van-icon-question-o" style="color:undefined;font-size:undefined;">
                 <!---->
                 <!----></i></div>
           </div>
@@ -103,7 +103,7 @@ exports[`renders demo correctly 1`] = `
         <!---->
       </div>
       <div class="van-collapse-item van-hairline--top">
-        <div class="van-cell van-cell--clickable van-collapse-item__title"><i class="van-icon van-icon-shop van-cell__left-icon" style="color:undefined;font-size:undefined;">
+        <div class="van-cell van-cell--clickable van-collapse-item__title"><i class="van-icon van-icon-shop-o van-cell__left-icon" style="color:undefined;font-size:undefined;">
             <!---->
             <!----></i>
           <div class="van-cell__title"><span>有赞零售</span>

packages/collapse/zh-CN.md

@@ -68,10 +68,14 @@ export default {
 ```html
 <van-collapse v-model="activeNames">
   <van-collapse-item name="1">
-    <div slot="title">有赞微商城<van-icon name="question" /></div>
+    <div slot="title">有赞微商城<van-icon name="question-o" /></div>
     提供多样店铺模板，快速搭建网上商城
   </van-collapse-item>
-  <van-collapse-item title="有赞零售" name="2">
+  <van-collapse-item
+    title="有赞零售"
+    name="2"
+    icon="shop-o"
+  >
     网店吸粉获客、会员分层营销、一机多种收款，告别经营低效和客户流失
   </van-collapse-item>
 </van-collapse>